CN113487469A - Carbon emission data processing method and system - Google Patents

Carbon emission data processing method and system Download PDF

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CN113487469A
CN113487469A CN202110832890.2A CN202110832890A CN113487469A CN 113487469 A CN113487469 A CN 113487469A CN 202110832890 A CN202110832890 A CN 202110832890A CN 113487469 A CN113487469 A CN 113487469A
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carbon emission
node
carbon
data
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陈亮
孔瀛
刘妍妍
吴娜
周晶
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Hangzhou Shovel Technology Co ltd
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Hangzhou Shovel Technology Co ltd
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Abstract

The embodiment of the invention discloses a carbon emission data processing method and a carbon emission data processing system. In the embodiment of the invention, a first node sends an issuing request comprising carbon emission data through a blockchain network, an authentication node responds to the issuing request, verifies the carbon emission data, responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract to obtain a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a blockchain, a second node responds to the issuing request, verifies the first carbon emission resource parameter, and responds to the first carbon emission resource parameter passing the verification, and the second node issues the carbon emission resource of the project in the current period.

Description

Carbon emission data processing method and system
Technical Field
The invention relates to the technical field of computers, in particular to a carbon emission data processing method and system.
Background
In the current greenhouse gas management standard, the emission reduction behaviors of enterprises can be quantitatively verified, and emission reduction licenses (such as CCER, carbon popularization and the like) approved by competent departments are formed, so that emission reduction is stimulated.
In the process of checking the emission reduction behavior, in order to ensure the authenticity of the checking data, an authentication checking mechanism is required to carry out on-site checking, check a related data report and generate a checking report according to a corresponding standard to be submitted to a competent department. On-site verification and approval results in high verification costs, many small projects have little volume reduction, and cannot cover certification costs, thus not having opportunities to form carbon assets.
Therefore, on the premise of guaranteeing the credibility of the data, the data can be reported in a digital and online mode, and the calculation of the displacement reduction amount can be automatically completed, so that the cost of the verification is greatly reduced.
Disclosure of Invention
In view of this, embodiments of the present invention provide a carbon emission data processing method and system, so as to process carbon emission data through a block chain network, which can ensure authenticity, transparency and security of the data, facilitate data tracing, and improve data processing efficiency.
In a first aspect, an embodiment of the present invention provides a carbon emission data processing method, where the method includes:
a first node sends an issuing request through a block chain network, wherein the issuing request comprises carbon emission data of a current period of a corresponding project;
the authentication node responds to the issuing request and verifies the carbon emission data;
the authentication node responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract, obtains a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a block chain;
the second node responds to the issuing request and checks the first carbon emission resource parameter;
and the second node responds to the first carbon emission resource parameter verification passing and issues the carbon emission resource of the project in the current period.
Optionally, the second node, in response to the issuance request, verifying the first carbon black resource parameter includes:
responding to an issuing request of the first node, sending the carbon emission data to a carbon emission intelligent contract, and obtaining a second carbon emission resource parameter;
and checking the first carbon emission resource parameter based on the second carbon emission resource parameter.
Optionally, the issuing, by the second node, the carbon row resource of the item in the current period in response to the first carbon row resource parameter passing the verification includes:
and the second node issues the carbon emission resource of the project in the current period in response to the first carbon emission resource parameter being consistent with the second carbon emission resource parameter.
Optionally, the method further includes:
and the second node responds to the inconsistency of the first carbon emission resource parameter and the second carbon emission resource parameter, traces the source error position through the block chain network, and feeds back the resource issuing result to the first node and the authentication node.
Optionally, at least part of the carbon row data is data obtained after a third node signs an endorsement.
Optionally, the method further includes:
and recording the project based on the block chain network.
Optionally, the recording the project based on the blockchain network includes:
the first node sends a project filing request of the project through a blockchain network, wherein the project filing request comprises project data of the project;
the authentication node responds to the project filing request and verifies the project data;
the authentication node generates and sends a project file through a blockchain network in response to the project data being verified;
the second node responds to the project filing request of the project and checks the received project file;
and responding to the verification of the project file, and recording the project.
Optionally, the recording the project based on the blockchain network further includes:
the first node calculates a hash value of the project data;
and sending the item information of the item and the hash value of the item data to a certificate-preserving intelligent contract for certificate preservation.
Optionally, the recording the project based on the blockchain network further includes:
the authentication node calculates an authentication hash value of the project file;
and uploading the authentication hash value and the file information of the project file to a block chain after being signed by a private key.
Optionally, the verifying the received project file includes:
the second node calculates a verification hash value of the project file;
searching an item certificate storage record corresponding to the item filing request in a blockchain network, wherein the item certificate storage record comprises an authentication hash value of an item file uploaded after being signed by the authentication node;
and verifying the project file based on the public key of the authentication node, the project verification record verification time, the verification hash value and the authentication hash value.
Optionally, in response to the item file being verified, the recording the item includes:
and recording the project in response to the authentication hash value being successfully decrypted by the public key of the authentication node, the project recording time being consistent with the project recording request time, and the authentication hash value being consistent with the verification hash value.
Optionally, the recording the project based on the blockchain network includes:
and responding to the failure of the item file verification, tracing each item verification record of the item based on the blockchain network, and determining and feeding back the reason of the failure verification.
In a second aspect, an embodiment of the present invention provides a carbon emission data processing system, where the system includes:
at least one first node configured to send an issuance request over a blockchain network, the issuance request including carbon rank data corresponding to a current period of the item;
at least one authentication node, configured to respond to the issuance request, verify the carbon emission data, respond to the carbon emission data being authenticated, send the carbon emission data to a carbon emission intelligent contract, obtain a first carbon emission resource parameter, and upload the first carbon emission resource parameter to a block chain; and
at least one second node configured to verify the first carbon row resource parameter in response to the issuance request, and issue the carbon row resource of the project in the current period in response to the verification of the first carbon row resource parameter.
Optionally, the second node is further configured to send the carbon emission data to a carbon emission intelligent contract in response to the issuance request of the first node, obtain a second carbon emission resource parameter, and check the first carbon emission resource parameter based on the second carbon emission resource parameter.
Optionally, the second node is further configured to issue the carbon row resource of the item in the current period in response to the first carbon row resource parameter being consistent with the second carbon row resource parameter
Optionally, the second node is further configured to, in response to the first carbon resource parameter being inconsistent with the second carbon resource parameter, trace a source error location through a blockchain network, and feed back a resource issuance result to the first node and the authentication node.
Optionally, the system further comprises at least one third node configured to endorse a signature on at least part of the carbon rank data.
Optionally, the first node is further configured to send a project filing request of the project through a blockchain network, the project filing request including project data of the project;
the authentication node is further configured to verify the project data in response to the project docketing request, generate and send a project file over a blockchain network in response to the project data being verified;
the second node is further configured to verify the received project file in response to a project filing request for the project, and to file the project in response to the project file verification passing.
Optionally, the first node is further configured to calculate a hash value of the item data, and send the item information of the item and the hash value of the item data to a smart contract for certification storage.
Optionally, the authentication node is further configured to calculate an authentication hash value of the project file, and upload the authentication hash value and file information of the project file to the blockchain after being signed by a private key.
Optionally, the second node is further configured to:
calculating a check hash value of the project file;
searching an item certificate storage record corresponding to the item filing request in a blockchain network, wherein the item certificate storage record comprises an authentication hash value of an item file uploaded after being signed by the authentication node;
and verifying the project file based on the public key of the authentication node, the project verification record verification time, the verification hash value and the authentication hash value.
Optionally, the second node is further configured to record the project in response to that the authentication hash value is successfully decrypted by the public key of the authentication node, that the project recording time is consistent with the project recording request time, and that the authentication hash value is consistent with the verification hash value.
Optionally, the second node is further configured to determine and feed back a verification failure reason based on each project verification record of the blockchain network tracing the project in response to the project file verification failure.
In a third aspect, an embodiment of the present invention provides a carbon black data processing method, where the method includes:
receiving an issuing request of a first node based on a block chain network, wherein the issuing request comprises carbon row data of a current period of a corresponding item;
responding to an issuing request of the first node, sending the carbon emission data to a carbon emission intelligent contract, and obtaining a second carbon emission resource parameter;
verifying the first carbon emission resource parameter determined by the authentication node based on the second carbon emission resource parameter;
and responding to the first carbon row resource parameter verification passing, and issuing the carbon row resource of the project in the current period.
Optionally, the method further includes:
acquiring a first carbon emission resource parameter corresponding to the issuing request from a block chain network, wherein the first carbon emission resource parameter is signed by a private key of an authentication node and then uploaded to the block chain network;
and decrypting the first carbon emission resource parameter based on the public key of the authentication node to obtain a decrypted second carbon emission parameter.
Optionally, in response to the first carbon row resource parameter passing, issuing the carbon row resource of the item in the current period includes:
and in response to the first carbon row resource parameter being consistent with the second carbon row resource parameter, issuing the carbon row resource of the project in the current period.
Optionally, the method further includes:
and responding to the inconsistency of the first carbon emission resource parameter and the second carbon emission resource parameter, tracing the source error position through a block chain network, and feeding back a resource issuing result to the first node and the authentication node.
Optionally, the method further includes:
and recording the project based on the block chain network.
Optionally, the recording the project based on the blockchain network includes:
responding to the project filing request of the project, and verifying the received project file;
and responding to the verification of the project file, and recording the project.
Optionally, the verifying the received project file includes:
calculating a check hash value of the project file;
searching an item certificate storage record corresponding to the item filing request in a blockchain network, wherein the item certificate storage record comprises an authentication hash value of an item file uploaded after being signed by the authentication node;
and verifying the project file based on the public key of the authentication node, the project verification record verification time, the verification hash value and the authentication hash value.
Optionally, in response to the item file being verified, the recording the item includes:
and recording the project in response to the authentication hash value being successfully decrypted by the public key of the authentication node, the project recording time being consistent with the project recording request time, and the authentication hash value being consistent with the verification hash value.
Optionally, the recording the project based on the blockchain network includes:
and responding to the failure of the item file verification, tracing each item verification record of the item based on the blockchain network, and determining and feeding back the reason of the failure verification.
Optionally, the method further includes:
generating a key pair;
and sending the identity information and the public key to an identity intelligent contract for binding.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory is used to store one or more computer program instructions, where the one or more computer program instructions are executed by the processor to implement the method according to the first aspect of the embodiment of the present invention.
In a fifth aspect, the present invention provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the method according to the first aspect of the embodiment of the present invention and/or the second aspect of the embodiment of the present invention.
In the embodiment of the invention, a first node sends an issuing request comprising carbon emission data through a blockchain network, an authentication node responds to the issuing request, verifies the carbon emission data, responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract to obtain a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a blockchain, a second node responds to the issuing request, verifies the first carbon emission resource parameter, and responds to the first carbon emission resource parameter passing the verification, and the second node issues the carbon emission resource of the project in the current period.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a carbon emission data processing system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for processing carbon emission data according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of verifying a project file according to an embodiment of the present invention;
FIG. 4 is a flow chart of another method for processing carbon emission data according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an electronic device of an embodiment of the invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
To achieve the goal of carbon neutralization, to cope with climate change, many approaches have been implemented. For example, a carbon market is established by taking the right to discharge greenhouse gases (carbon emission right) as a resource, and the market mechanism is used for effectively configuring the resource to realize emission reduction.
From the top level design, carbon emission right trading can be divided into mandatory (or performing type) carbon emission right trading market (mandatory market) and voluntary carbon emission right trading market (voluntary market) according to whether the trading form is mandatory or not.
The forced market is the most common trade market at present, and the governing department leads the emission control enterprises to be restrained by the carbon emission limit by introducing a total amount control and trade mechanism. If the carbon emission of the enterprise exceeds the preset limit, the corresponding resources need to be acquired through the carbon market, otherwise, the enterprise is penalized. Enterprises can also choose to reduce carbon emission through technical transformation or improvement of management and other means, and sell saved resources through a carbon market.
The voluntary market is a good supplement to the mandatory market, and the emission reduction behaviors perceived by users, such as clean energy substitution, energy-saving transformation and the like, can form emission reduction (carbon resource) through certain standards and flows, can be used for offsetting the carbon emission of mandatory market control enterprises, and provides a supplement to the mandatory market.
The standard reduced-emission issuance process includes project registration and reduced-emission issuance (i.e., carbon resource issuance). The registered project can be issued with reduced displacement, and the issuing process is periodically continuous, for example, a project of 10 years can issue reduced displacement in units of years. At present, related data are mostly checked and monitored through an offline mode among a project party, an authentication party and a competent department, the cost is high, mistakes are easy to make or the data are easy to tamper, the data tracing is not facilitated, and the efficiency is low. Therefore, the embodiment of the invention provides a carbon emission data processing method and system, so that carbon emission data is processed through a block chain network, authenticity, transparency and safety of the data can be ensured, data tracing is facilitated, and data processing efficiency is improved.
FIG. 1 is a schematic diagram of a carbon emission data processing system according to an embodiment of the invention. As shown in fig. 1, in the present embodiment, the carbon sequestration data processing system 1 is constructed based on a blockchain network. The carbon sequestration data processing system 1 comprises at least one first node 11, at least one authentication node 12 and at least one second node 13. Each first node 11, each authentication node 12, and each second node 13 may be connected to a blockchain network, and perform connection communication through blockchains.
In a network based on the blockchain technology, a general data processing device loaded with a predetermined program can enter the network to become one of the blockchain nodes. When entering the blockchain network, optionally, in this embodiment, an asymmetric encryption algorithm SM2 may be used to generate a corresponding public-private key pair, and the node stores its own private key and sends the public key to the blockchain for disclosure. It should be understood that other asymmetric encryption algorithms, such as ECC (elliptic curve encryption algorithm), RSA, ECDSA, etc., can be applied to the present embodiment, and the present embodiment is not limited thereto. Alternatively, the public key may obtain the network address corresponding to the node through a series of hash operations, and the derivation process is theoretically irreversible. And the public key of the block chain node and the network address corresponding to the block chain node can be externally disclosed, so that the public key and the network address can be used as the identification of the block chain node.
In an optional implementation manner, when the nodes enter the network, each node binds and writes the identity information and the corresponding public key into the identity intelligent contract, so that identity registration and authentication can be performed through the identity intelligent contract. Therefore, the identity information of each node can be verified more accurately, the conditions of data errors and/or identity impersonation are avoided, and the data security can be improved.
In an alternative implementation, the blockchain network is initialized to build identity intelligence contracts, warranty intelligence contracts, and carbon emission intelligence contracts. The identity intelligent contract is used for checking identity information of each node, the evidence storing intelligent contract is used for data evidence storage, and the carbon emission intelligent contract is used for calculating carbon resource parameters, such as carbon emission reduction of an enterprise in the current period of the project. It should be understood that the identity intelligent contract, the evidence storage intelligent contract and the carbon emission intelligent contract can be updated in real time according to the actual application situation so as to authenticate the node identity more accurately and definitely, ensure the accuracy and the irrediformability of data, improve the data counterfeiting cost of the authentication link and adapt to the current carbon resource calculation mode.
Optionally, in this embodiment, the first node is a project side node, for example, an enterprise that needs carbon emission. The authentication node is a third party node for verifying the data accuracy provided by the project side, and the second node is a department of charge node for project filing and carbon resource issuance.
As described above, the carbon resource issuance process includes two stages, namely project registration and carbon resource issuance. In the project filing phase, the first node 11 sends a project filing request for the project to be filed through the blockchain network. Wherein the project filing request includes project data for the project. Optionally, the project data includes a carbon emission type, an amount of carbon emission in a predetermined time under the carbon emission type, and a related certificate. In an optional manner, the first node may directly calculate the hash value of the item data, or the first node may scan the item data according to a predetermined template format to form a picture file, calculate the hash value of the picture file, and send the item information of the item and the corresponding hash value to the intelligent contract for storage. Optionally, the project information may include project identification, project summary, or project data. Optionally, the first node organizes the item information of the item and the corresponding hash value according to a json file format, and sends the item information and the corresponding hash value to the certificate-storing intelligent contract after being signed by the private key of the first node, the certificate-storing intelligent contract calls the corresponding identity intelligent contract through the public key of the first node to verify the identity information of the first node, and after the verification is passed, block-chain certificate storage is performed on the item information of the item and the corresponding hash value. Thus, the accuracy and safety of the data can be further ensured.
In an alternative implementation manner, the carbon emission data processing 1 of the present embodiment further includes at least one third node (not shown in fig. 1). Wherein the third node is configured to endorse at least part of the item data. For example, assuming that the item of the first node is the photovoltaic emission reduction power generation data, the third node may be a grid node, which may sign an endorsement for an electronic invoice for the electricity fee of the first node. Due to the fact that the credibility of the electric charge electronic invoice endorsed by the power grid node is high, the authentication node can automatically audit based on the electric charge electronic invoice, and the data processing efficiency is further improved.
The authentication node 12 is configured to verify the project data in response to the project docket request. In an optional implementation manner, after receiving the project data, the authentication node 12 compares the project data with the collected evidence file, and performs cross check based on the data signed by the third node. Optionally, the evidence document may be a monitoring document or an invoice issued by each relevant department. In other alternative implementations, the authentication node 12 checks the integrity and consistency of the project data, and determines that the project data is verified after receiving the true authentication result of the project data.
The authentication node 12 is further configured to generate a project file in response to the project data for the project being verified, and to transmit the project file over the blockchain network. In an optional implementation manner, the authentication node is further configured to calculate a hash value (i.e., an authentication hash value) of the project file, and upload the authentication hash value and file information of the project file to the blockchain certificate after being signed by a private key. Optionally, the file information of the project file may include information such as a project identifier, a project file type, or a summary of the project file.
The second node 13 is configured to verify the received project file in response to a project docket request for the project and to docket the project in response to the project file verification passing. In an alternative implementation manner, the second node 13 is further configured to calculate a hash value (i.e., a verification hash value) of the received item file, and search the blockchain network for an item storage record corresponding to the item record request. The project certification record includes a certification hash value of the project file uploaded after being signed by the certification node 12. The second node 13 is further configured to verify the project file based on the public key of the authentication node 12, the time of deposit of the project deposit record, the verification hash value and the authentication hash value. It should be understood that, in the project filing process, repeated filing may occur for multiple times, or the project data may be mistakenly retransmitted for one time or multiple times, so that the embodiment also needs to perform verification by using the storage time of the project storage record to avoid verifying the wrong project file, and further, the data processing efficiency may be further improved.
In an alternative implementation, the second node 13 is further configured to record the project in response to the authentication hash value being successfully decrypted by the public key of the authenticated node, the certification time recorded by the project certification is consistent with the project record request time, and the authentication hash value is consistent with the verification hash value. That is, the second node 13 determines that the authentication hash value obtained from the blockchain network is signed by the corresponding authentication node private key, and determines that the project filing request time is consistent with the project filing time recorded in the project filing record, and the received project file is the same as the project file generated by the corresponding authentication node (that is, the authentication hash value is consistent with the verification hash value), and records the project.
Further optionally, the second node 13 is further configured to determine and feed back a verification failure reason based on each project verification record of the blockchain network source-tracing project in response to the project file verification failure. In this embodiment, since various types of data are transmitted through the blockchain network and the blockchain evidence is stored, the second node 13 can trace the source of the whole filing process to determine which link has an error, and feed back the error reason to the first node 11 and the authentication node 12. For example, the failure of verification may be caused by a problem that the second node acquires the project file from the blockchain network and the project file is not the project file corresponding to the current project filing request, or it may be determined that the project has been filed based on the time for filing the project file and the time for requesting the project file.
The embodiment can realize the record of the carbon emission data project through the block chain network, so that each item of data is transmitted through the block chain network, and the chain is linked and stored after the signature of the private key of the corresponding node, and the block chain network cannot be modified because the data change on the chain needs to be agreed by a predetermined number of nodes in the block chain, therefore, the embodiment can ensure the accuracy and the safety of the data, and can well realize the data tracing in the block chain system, thereby reducing the tracing cost and improving the data processing efficiency. Meanwhile, the third node is adopted to endorse the project data, so that the labor verification cost is reduced, and the data processing efficiency is further improved.
In the carbon resource issuance phase, the first node 11 is configured to send an issuance request over the blockchain network. Wherein the issuance request includes carbon ranking data corresponding to the current period of the item. Taking a photovoltaic emission reduction project as an example, the carbon emission data may include electricity consumption data such as an electric charge electronic invoice.
The authentication node 12 is configured to verify the carbon emission data in response to the issuance request, send the carbon emission data to the carbon emission intelligent contract in response to the carbon emission data being authenticated, obtain a first carbon emission resource parameter, and upload the first carbon emission resource parameter to the block chain. Optionally, at least part of the carbon rank data is data obtained after the third node signs the endorsement. Assuming that the item is power generation data of a photovoltaic emission reduction type item, the third node may be a power grid node, and may perform signature endorsement for the electric charge electronic invoice of the first node. Due to the fact that the credibility of the electric charge electronic invoice endorsed by the power grid node is high, the authentication node can automatically audit based on the electric charge electronic invoice, and the data processing efficiency is further improved. In other alternative implementations, the authentication node 12 checks the integrity and consistency of the carbon row data, and determines that the carbon row data is authenticated after receiving a true authentication result of the carbon row data.
In an optional implementation manner, after receiving the carbon emission data, the authentication node 12 compares the carbon emission data with the collected evidence file, and performs cross check based on the data of the third node signature endorsement. Optionally, the evidence document may be a monitoring document or an invoice issued by each relevant department.
The second node 13 is configured to verify the first carbon row resource parameter in response to the issuance request, and issue the carbon row resource of the project in the current period in response to the verification of the first carbon row resource parameter.
In an optional implementation manner, the second node 13 is further configured to send the received carbon row data to the carbon row intelligent contract in response to the issuance request of the first node, obtain a second carbon row resource parameter, and check the first carbon row resource parameter based on the second carbon row resource parameter.
In an optional implementation manner, the second node 13 is further configured to issue the carbon row resource of the item in the current period in response to that the first carbon row resource parameter is consistent with the second carbon row resource parameter, that is, the carbon row data received by the second node 13 is consistent with the carbon row data received by the authentication node 12, and no error or change occurs in the data transmission process.
In an alternative implementation, the second node 13 is further configured to trace the source error location through the blockchain network and feed back the resource issuance result to the first node 11 and the authentication node 12 in response to the first carbon rank resource parameter not being consistent with the second carbon rank resource parameter. That is, if the second carbon emission resource parameter calculated by the second node 13 is inconsistent with the first carbon emission resource parameter calculated by the authentication node, that is, the received carbon emission data is inconsistent, tracing may be performed through the blockchain network, a reason for the data inconsistency is determined, and a tracing result is fed back to the first node 11 and the authentication node 12, so that the first node 11 and the authentication node 12 are correspondingly changed, and the data processing efficiency may be further improved.
Therefore, in the embodiment, after the project is filed, the project filing party may periodically request the carbon resource issuance based on the blockchain network to acquire the carbon resource of the period, and the project party may release the carbon resource through the carbon market to supplement the enterprise with a large carbon emission, thereby promoting carbon neutralization.
In the embodiment of the invention, a first node sends an issuing request comprising carbon emission data through a blockchain network, an authentication node responds to the issuing request, verifies the carbon emission data, responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract to obtain a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a blockchain, a second node responds to the issuing request, verifies the first carbon emission resource parameter, and responds to the first carbon emission resource parameter passing the verification, and the second node issues the carbon emission resource of the project in the current period.
Fig. 2 is a flowchart of a carbon emission data processing method according to an embodiment of the present invention. As shown in fig. 2, the carbon emission data processing method according to the embodiment of the present invention includes the following steps:
step S1: the first node sends a project docketing request for a project over a blockchain network. Wherein the project filing request comprises project data of the project. In an optional manner, the first node may directly calculate the hash value of the item data, or the first node may scan the item data according to a predetermined template format to form a picture file, calculate the hash value of the picture file, and send the item information of the item and the corresponding hash value to the intelligent contract for storage. Optionally, the project information may include project identification, project summary, or project data. Optionally, the first node organizes the item information of the item and the corresponding hash value according to a json file format, and sends the item information and the corresponding hash value to the certificate-storing intelligent contract after being signed by the private key of the first node, the certificate-storing intelligent contract calls the corresponding identity intelligent contract through the public key of the first node to verify the identity information of the first node, and after the verification is passed, block-chain certificate storage is performed on the item information of the item and the corresponding hash value. Thus, the accuracy and safety of the data can be further ensured.
In an alternative implementation, at least part of the project data is endorsed via a third node. For example, assuming that the item of the first node is the photovoltaic emission reduction power generation data, the third node may be a grid node, which may sign an endorsement for an electronic invoice for the electricity fee of the first node. Due to the fact that the credibility of the electric charge electronic invoice endorsed by the power grid node is high, the authentication node can automatically audit based on the electric charge electronic invoice, and the data processing efficiency is further improved.
Step S2: and the authentication node responds to the project filing request and verifies the project data. In an optional implementation manner, after receiving the project data, the authentication node compares the project data with the collected evidence file, and performs cross check based on the data signed by the third node. Optionally, the evidence document may be a monitoring document or an invoice issued by each relevant department.
Step S3: the authentication node generates a project file in response to the project data being verified.
Step S4: the authentication node sends the project file through the blockchain network.
In an optional implementation manner, the authentication node is further configured to calculate a hash value (i.e., an authentication hash value) of the project file, and upload the authentication hash value and file information of the project file to the blockchain certificate after being signed by a private key. Optionally, the file information of the project file may include information such as a project identifier, a project file type, or a summary of the project file.
Step S5: and the second node responds to the project filing request of the project and checks the received project file.
Fig. 3 is a flowchart of a verification method for a project file according to an embodiment of the present invention. In an alternative implementation, as shown in fig. 3, step S5 may further include:
step S51: and calculating the verification hash value of the project file. Optionally, a hash algorithm is used to calculate the verification hash value of the project file.
Step S52: and searching a project deposit evidence record corresponding to the project record request in the block chain network. The project certification record comprises a certification hash value of the project file which is uploaded after being signed by the certification node.
Step S53: and verifying the project file based on a public key of the authentication node, the project verification record verification time, the verification hash value and the authentication hash value.
It should be understood that, in the project filing process, repeated filing may occur for multiple times, or the project data may be mistakenly retransmitted for one time or multiple times, so that the embodiment also needs to perform verification by using the storage time of the project storage record to avoid verifying the wrong project file, and further, the data processing efficiency may be further improved.
Step S6: and responding to the verification passing of the project file, and recording the project.
In an alternative implementation, step S6 includes: and recording the project in response to the successful decryption of the public key of the authenticated node of the authenticated hash value, the consistency of the project recording time and the project recording request time, and the consistency of the authenticated hash value and the verified hash value. That is, the second node determines that the authentication hash value acquired from the blockchain network is signed by the corresponding authentication node private key, determines that the project filing request time is consistent with the project filing time recorded by the project filing record, and records the project when the received project file is the same as the project file generated by the corresponding authentication node (i.e. the authentication hash value is consistent with the verification hash value).
In an optional implementation manner, the carbon emission data processing method according to the embodiment of the present invention further includes: and the second node responds to the failure of the item file verification, determines and feeds back the reason of the failure verification based on each item verification record of the block chain network source tracing item. In this embodiment, since various types of data are transmitted through the blockchain network and the blockchain evidence is stored, the second node can trace the source of the whole filing process to determine which link has an error, and feed back the error reason to the first node and the authentication node. For example, the failure of verification may be caused by a problem that the second node acquires the project file from the blockchain network and the project file is not the project file corresponding to the current project filing request, or it may be determined that the project has been filed based on the time for filing the project file and the time for requesting the project file.
The embodiment can realize the record of the carbon emission data project through the block chain network, so that each item of data is transmitted through the block chain network, and the chain is linked and stored after the signature of the private key of the corresponding node, and the block chain network cannot be modified because the data change on the chain needs to be agreed by a predetermined number of nodes in the block chain, therefore, the embodiment can ensure the accuracy and the safety of the data, and can well realize the data tracing in the block chain system, thereby reducing the tracing cost and improving the data processing efficiency. Meanwhile, the third node is adopted to endorse the project data, so that the labor verification cost is reduced, and the data processing efficiency is further improved.
Step S7: the first node sends an issuance request over the blockchain network. Wherein the issuance request includes carbon ranking data corresponding to the current period of the item. Taking a photovoltaic emission reduction project as an example, the carbon emission data may include electricity consumption data such as an electric charge electronic invoice.
Step S8: the authentication node verifies the carbon emission data in response to the issuance request. Optionally, at least part of the carbon rank data is data obtained after the third node signs the endorsement. Assuming that the item is power generation data of a photovoltaic emission reduction type item, the third node may be a power grid node, and may perform signature endorsement for the electric charge electronic invoice of the first node. Due to the fact that the credibility of the electric charge electronic invoice endorsed by the power grid node is high, the authentication node can automatically audit based on the electric charge electronic invoice, and the data processing efficiency is further improved.
Optionally, after receiving the carbon emission data, the authentication node compares the carbon emission data with the collected evidence file, and performs cross check based on the data of the third node signature endorsement. Optionally, the evidence document may be a monitoring document or an invoice issued by each relevant department.
Step S9: and the authentication node responds to the carbon emission data passing the authentication, sends the carbon emission data to the carbon emission intelligent contract, obtains a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to the block chain.
Step S10: the second node verifies the first carbon black resource parameter in response to the issuance request.
In an optional implementation manner, the second node sends the received carbon emission data to the carbon emission intelligent contract to obtain a second carbon emission resource parameter, and checks the first carbon emission resource parameter based on the second carbon emission resource parameter.
Step S11: and the second node responds to the first carbon emission resource parameter verification passing and issues the carbon emission resource of the project in the current period.
In an optional implementation manner, in response to that the first carbon row resource parameter is consistent with the second carbon row resource parameter, that is, the carbon row data received by the second node is consistent with the carbon row data received by the authentication node, and no error or change occurs in the data transmission process, the second node issues the carbon row resource of the item in the current period.
In an optional implementation manner, the carbon black data processing method of the embodiment further includes: and the second node responds to the inconsistency of the first carbon emission resource parameter and the second carbon emission resource parameter, traces the source error position through the block chain network, and feeds back the resource issuing result to the first node and the authentication node. That is, if the second carbon emission resource parameter calculated by the second node is inconsistent with the first carbon emission resource parameter calculated by the authentication node, that is, the received carbon emission data is inconsistent, tracing can be performed through the block chain network, the reason for the data inconsistency is determined, and the tracing result is fed back to the first node and the authentication node, so that the first node and the authentication node can be correspondingly changed, and the data processing efficiency can be improved.
In the embodiment of the invention, a first node sends an issuing request comprising carbon emission data through a blockchain network, an authentication node responds to the issuing request, verifies the carbon emission data, responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract to obtain a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a blockchain, a second node responds to the issuing request, verifies the first carbon emission resource parameter, and responds to the first carbon emission resource parameter passing the verification, and the second node issues the carbon emission resource of the project in the current period.
Fig. 4 is a flowchart of another carbon emission data processing method according to an embodiment of the present invention. The carbon row data processing method of this embodiment is a process of processing carbon row data by a department of charge node (i.e., the second node). As shown in fig. 4, the carbon black data processing method of the present embodiment includes the following steps:
step S110 is to receive an issue request of a first node based on the blockchain network. The issuance request includes carbon ranking data corresponding to the current period of the item.
And step S120, responding to the issuing request of the first node, sending the carbon emission data to a carbon emission intelligent contract, and obtaining a second carbon emission resource parameter.
Step S130, verifying the first carbon emission resource parameter determined by the authentication node based on the second carbon emission resource parameter.
Step S140, in response to the first carbon row resource parameter passing, issuing the carbon row resource of the project in the current period.
It should be understood that the carbon emission data processing method of this embodiment is substantially the same as the data processing method of the second node in the above embodiments, and is not described herein again.
In the embodiment of the invention, a first node sends an issuing request comprising carbon emission data through a blockchain network, an authentication node responds to the issuing request, verifies the carbon emission data, responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract to obtain a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a blockchain, a second node responds to the issuing request, verifies the first carbon emission resource parameter, and responds to the first carbon emission resource parameter passing the verification, and the second node issues the carbon emission resource of the project in the current period.
Fig. 5 is a schematic diagram of an electronic device of an embodiment of the invention. In the present embodiment, the electronic device 5 includes a server, a terminal, and the like. As shown in fig. 5, the electronic apparatus 5: at least one processor 51; and a memory 52 communicatively coupled to the at least one processor 51; and a communication component 53 in communicative connection with the scanning device, the communication component 53 receiving and transmitting data under the control of the processor 51; the memory 52 stores instructions executable by the at least one processor 51, and the instructions are executed by the at least one processor 51 to implement the image processing method.
Specifically, the electronic device includes: one or more processors 51 and a memory 52, with one processor 51 being an example in fig. 5. The processor 51 and the memory 52 may be connected by a bus or other means, and fig. 5 illustrates the connection by the bus as an example. The memory 52, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules. The processor 51 executes various functional applications of the apparatus and data processing, i.e., implements the above-described image processing method, by executing nonvolatile software programs, instructions, and modules stored in the memory 52.
The memory 52 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store a list of options, etc. Further, the memory 52 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 52 may optionally include memory located remotely from the processor 51, which may be connected to an external device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 52, which when executed by the one or more processors 51, perform the image processing method in any of the method embodiments described above.
The product can execute the method provided by the embodiment of the application, has corresponding functional modules and beneficial effects of the execution method, and can refer to the method provided by the embodiment of the application without detailed technical details in the embodiment.
The method and the device for processing the image slice comprise the steps of determining the image type of a standard image according to the standard image corresponding to the image to be processed, processing the standard image according to an image segmentation template corresponding to the image type, obtaining at least one image slice, carrying out information identification on one or more image slices to obtain corresponding identification information, and displaying the identification information of the image slices in corresponding information frames.
Another embodiment of the invention is directed to a non-transitory storage medium storing a computer-readable program for causing a computer to perform some or all of the above-described method embodiments.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A carbon emission data processing method is characterized by comprising the following steps:
a first node sends an issuing request through a block chain network, wherein the issuing request comprises carbon emission data of a current period of a corresponding project;
the authentication node responds to the issuing request and verifies the carbon emission data;
the authentication node responds to the carbon emission data passing the authentication, sends the carbon emission data to a carbon emission intelligent contract, obtains a first carbon emission resource parameter, and uploads the first carbon emission resource parameter to a block chain;
the second node responds to the issuing request and checks the first carbon emission resource parameter;
and the second node responds to the first carbon emission resource parameter verification passing and issues the carbon emission resource of the project in the current period.
2. The method of claim 1, wherein the second node verifying the first carbon row resource parameter in response to the issuance request comprises:
responding to an issuing request of the first node, sending the carbon emission data to a carbon emission intelligent contract, and obtaining a second carbon emission resource parameter;
and checking the first carbon emission resource parameter based on the second carbon emission resource parameter.
3. The method of claim 2, further comprising:
and the second node responds to the inconsistency of the first carbon emission resource parameter and the second carbon emission resource parameter, traces the source error position through the block chain network, and feeds back the resource issuing result to the first node and the authentication node.
4. The method of claim 1, further comprising:
the first node sends a project filing request of the project through a blockchain network, wherein the project filing request comprises project data of the project;
the authentication node responds to the project filing request and verifies the project data;
the authentication node generates and sends a project file through a blockchain network in response to the project data being verified;
the second node responds to the project filing request of the project and checks the received project file;
and responding to the verification of the project file, and recording the project.
5. The method of claim 4, further comprising:
the authentication node calculates an authentication hash value of the project file;
and uploading the authentication hash value and the file information of the project file to a block chain after being signed by a private key.
6. The method of claim 5, wherein verifying the received project file comprises:
the second node calculates a verification hash value of the project file;
searching an item certificate storage record corresponding to the item filing request in a blockchain network, wherein the item certificate storage record comprises an authentication hash value of an item file uploaded after being signed by the authentication node;
and verifying the project file based on the public key of the authentication node, the project verification record verification time, the verification hash value and the authentication hash value.
7. The method of claim 6, wherein the docketing the project in response to the project file verifying comprises:
and recording the project in response to the authentication hash value being successfully decrypted by the public key of the authentication node, the project recording time being consistent with the project recording request time, and the authentication hash value being consistent with the verification hash value.
8. A carbon emission data processing system, the system comprising:
at least one first node configured to send an issuance request over a blockchain network, the issuance request including carbon rank data corresponding to a current period of the item;
at least one authentication node, configured to respond to the issuance request, verify the carbon emission data, respond to the carbon emission data being authenticated, send the carbon emission data to a carbon emission intelligent contract, obtain a first carbon emission resource parameter, and upload the first carbon emission resource parameter to a block chain; and
at least one second node configured to verify the first carbon row resource parameter in response to the issuance request, and issue the carbon row resource of the project in the current period in response to the verification of the first carbon row resource parameter.
9. A carbon emission data processing method is characterized by comprising the following steps:
receiving an issuing request of a first node based on a block chain network, wherein the issuing request comprises carbon row data of a current period of a corresponding item;
responding to an issuing request of the first node, sending the carbon emission data to a carbon emission intelligent contract, and obtaining a second carbon emission resource parameter;
verifying the first carbon emission resource parameter determined by the authentication node based on the second carbon emission resource parameter;
and responding to the first carbon row resource parameter verification passing, and issuing the carbon row resource of the project in the current period.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 7 and/or carries out the method of claim 9.
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